The voltage tester features non-contact design and pen shaped, it can detect AC voltage in 12V1000V and 48V1000V. Portable pen shaped, convenient to carry. Widely used in the investigation of industrial power and home line. Feature * Dual sensitivity AC voltage range of 12V1000V & 48V1000V with switching S button. * Detect AC voltage by contacting the power socket or getting near the live wire with non-contact tip. * With flashlight, convenient to use at night or dark corner. * Breakpoint checking, live wire measurement and full wire measurement. * Automatically turn off when no operation and no detection of AC voltage after 3 minutes. Specification Brand Name: HABOTEST Color: Black Material: ABS Dual Sensitivity AC Voltage Range: 12V1000V(High Sensitivity) / 48V1000V(Low Sensitivity) (Switch with S Button) Frequency: 50/60Hz Live Wire and Null Line Type: green light for null line, red light for live wire Alarm Mode: Sound and light alarm Backlight: Red and green double color backlight Flashlight: White LED Light Auto Power Off: Yes Low Battery Indication: Yes Power Supply: 2 * 1.5V AAA Batteries(Not Included) Item Size: Approx. 156 * 25 * 20mm / 6.1 * 1.0 * 0.8in Item Weight: Approx. 32g / 1.14oz Package Size: Approx. 16.1 * 3.3 * 2.8cm / 6.34 * 1.30 * 1.10in Package Weight: Approx. 47g / 1.65oz Package List 1 * Voltage Tester 1 * User Manual(English)